Abstract: An operating method of a first device which communicates with a second device based on time division duplex (TDD), includes: receiving a first signal from the second device; estimating a channel between the first device and the second device based on the first signal; generating, by applying singular value decomposition (SVD) to the estimated channel, a first orthogonal matrix including one or more left singular vectors, a diagonal matrix including one or more singular values, and a second orthogonal matrix including one or more right singular vectors; selecting at least one right singular vector from the second orthogonal matrix in descending order according to the one or more singular values, a number of the selected at least one right singular vector corresponding to a number of ranks of the channel; and transmitting, to the second device, a precoded physical sidelink shared channel (PSSCH) precoded based on a precoding matrix including the selected at least one right singular vector.

Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.

Abstract: A semiconductor memory device may include a plurality of bit lines extending in a first direction on a substrate, a plurality of active pillars respectively on the bit lines, a word line extending in a second direction along the plurality of active pillars, a plurality of landing pads respectively on the plurality of active pillars, and a plurality of data storage patterns respectively on the plurality of landing pads. Each of the plurality of active pillars may have a length extending in a direction perpendicular to an upper surface of the substrate. The word line has a wavy shape when viewed in a plan view.

Abstract: A semiconductor device includes a substrate having an active region; word line structures in the substrate and extending in parallel to each other in a first horizontal direction; bit line structures on the substrate and the word line structures and extending in parallel to each other in a second horizontal direction that intersects the first horizontal direction; storage node contacts on a side wall of each of the bit line structures and electrically connected to the active region; and a fence structure having first line pattern portions on the word line structures and extending in the first horizontal direction, second line pattern portions extending in the second horizontal direction, and pillar portions extending from the first line pattern portions between the bit line structures in a vertical direction that is perpendicular to an upper surface of the substrate.

Abstract: A display device includes a flexible display and a support frame. The flexible display includes a first portion, a second portion, and a third portion there between. The support frame includes a first display support supporting the first portion, a second display support supporting the second portion, and a third display support supporting the third portion. The third display support is connected to the first display support and the second display support. The first display support and the second display support are rotatably connected between a configuration for maintaining the flexible display in a closed position and a configuration for maintaining the flexible display in an open position. The third display support includes a panel movable according to the rotation of the first display support and the second display support, such that the panel contacts the third portion of the flexible display in an open position of the flexible display.

Abstract: Disclosed is an electronic device which includes a dynamic vision sensor that includes a first pixel sensing a change in light intensity and generates an event signal based on the sensed change in light intensity, an illuminance estimator that estimates illuminance of a light, and a time delay compensator that calculates a time delay between a first time at which the change in light intensity occurs and a second time at which the first pixel senses the change in light intensity, based on the illuminance of the light, and to compensate for the time delay.

Abstract: A method performed by a wireless communication device, includes generating an onduration slot in a connected discontinuous reception (C-DRX) mode, determining whether an uplink signal is not transmitted at a starting point of the onduration slot by using network configuration information, delaying setting of a transmission processing circuit and a reception processing circuit based on a determination that the uplink signal is not transmitted at the starting point to control a modem's current application period; and transmitting the uplink signal to a base station, based on the delayed setting.

Abstract: A substrate processing apparatus includes a chamber providing a space configured to process a substrate and a heating plate arranged within the chamber, the heating plate including a substrate plate configured to support the substrate and having a first region, a second region and a third region sequentially arranged in a radial direction from a center of the substrate plate, and a liquid metal pattern patterned on the substrate plate and extending on the first region, the second region and the third region, the substrate plate being stretchable.

Abstract: A dishwasher having an automatic detergent dispenser including a first storage compartment in which a plurality of solid detergents are stackable in a stack, a second storage compartment in which a plurality of solid detergents are stackable in a stack, a first ejector configured to move one solid detergent in the stack in the first storage compartment so as to be discharged to an outside of the first storage compartment, a second ejector configured to move one solid detergent in the stack in the second storage compartment so as to be discharged to an outside of the second storage compartment, and a seating member between the first storage compartment and the second storage compartment and configured to seat the one solid detergent discharged to the outside of the first storage compartment, and to seat the one solid detergent discharged to the outside of the second storage compartment.

Abstract: Provided is a vertically stacked type image sensor including a plurality of pixels, each of the plurality of pixels including a plurality of sub-pixels stacked vertically, wherein the plurality of sub-pixels have a layer structure that is configured to generate an absorption resonance at different wavelengths of light.

Abstract: A dust separation device includes: an air inlet, a dust collection chamber to collect dust in air flowing in from an air inlet, a rotating body rotatable inside the dust collection chamber and including a blocking member formed to block dust from the air flowing in from the air inlet, a motor to rotate the rotating body, a fixing body arranged to be spaced apart from the rotating body and supporting the motor, and a sealing member configured to seal at least a portion of a gap portion formed between the rotating body and the fixing body to prevent dust from entering the gap portion, the sealing member including a brush in contact with at least one of the rotating body and the fixing body.

Abstract: A method for beamwidth management in a wireless communication system, includes: determining a first set of User Equipments (UEs) served by a beam in a transmission time interval (TTI); comparing a number of UEs in the first set of UEs with a threshold number of UEs that can be served by the beam in the TTI; adjusting a beamwidth of the beam, based on a result of the comparing, to create a second set of UEs served by the beam with the adjusted beamwidth in a subsequent TTI; and forming the beam with the adjusted beamwidth.

Abstract: A dishwasher including a tub; a door configured to open and close the tub, the door including an outer frame forming an outer surface of the door, and an inner frame coupled to the outer frame and forming an inner surface of the door, with an inner space between the outer frame and the inner frame; and an automatic detergent dispenser coupled to the inner frame and configured to dispense a solid detergent while the tub is closed by the door, the automatic detergent dispenser including a storage compartment in which a plurality of solid detergents are stackable so as to be loaded along one direction, and a discharge duct including a discharge hole formed to communicate with an inner space, the discharge duct configured to discharge air, which flows from the tub into the automatic detergent dispenser, to the inner space through the discharge hole.

Abstract: A brush for cleaning a wafer includes a core extending lengthwise in a first direction, a brushing roller arranged on an outer circumferential surface of the core and having a first region and a second region defined at an outer circumferential surface of the brushing roller, a plurality of first brushing bristles extending from the first region in a radial direction of the brushing roller, wherein the radial direction of the brushing roller is perpendicular to the first direction, and a plurality of second brushing bristles extending from the second region in the radial direction of the brushing roller. Each of the plurality of first brushing bristles has a first shape, and each of the plurality of second brushing bristles has a second shape different from the first shape.

Abstract: Provided is an operating method of a first apparatus communicating with a second apparatus in a wireless local area network (WLAN) system including the first apparatus and the second apparatus. The operating method of the first apparatus includes obtaining channel characteristic data with the second apparatus based on a null data packet (NDP) frame received from the second apparatus; generating beamforming feedback information and a feedback frame based on a class of a channel determined by applying a machine learning algorithm to the channel characteristic data; and transmitting the feedback frame to the second apparatus.

Abstract: A roller assembly including a shaft, a first support body to which one end of the shaft is coupleable, a second support body to which another end of the shaft is coupleable, and a roller coupleable between the first support body and the second support body, having a cylindrical shape in which the shaft is insertable, and rotatably supported by the shaft. The first support body and the second support body respectively include a protrusion that protrudes toward side surfaces of the roller, the protrusion of the first support body and the second support body respectively protrude from the first support body and the second support body and are respectively insertable into spaces inside an outer circumference of the roller, and the roller includes accommodation grooves on both side surfaces of the roller and accommodate the protrusion of the first support body and the second support body with certain gaps, respectively.

Abstract: The present disclosure provides methods and apparatuses for programming operating system (OS) data before a surface mount technology (SMT) process. In some embodiments, a method includes erasing a plurality of memory cells in a memory block, classifying word lines coupled to the memory block into first word lines to be programmed with OS data and second word lines to be programmed in a state pattern, programming, with a multi-bit program, the OS data into first memory cells of the plurality of memory cells coupled to the first word lines, and programming second memory cells of the plurality of memory cells coupled to the second word lines to have the state pattern.

Abstract: A robot includes: a communication interface; a sensor configured to obtain distance data; a driver configured to control a movement of the robot; a memory storing with map data corresponding to a space in which the robot travels; and a processor configured to: control the sensor to output a sensing signal for sensing a distance with an external robot, obtain position information of the external robot based on a time at which at least one echo signal is received from the external robot, control at least one of the driver or an operation state of the external robot based on the position information, transmit a control signal for controlling the operation state of the external robot through the communication interface, identify, based on an error occurring in communication with the external robot through the communication interface, a pose of the external robot based on a type of the at least one echo signal received from the external robot, identify a target position of the robot based on the pose of the extern

Abstract: A dishwasher including a tub; a door to open and close the tub; and an automatic detergent dispenser including a storage compartment configured so that a plurality of solid detergents are stackable in the storage compartment so as to be loaded in a first direction, and to be dischargeable in a second direction perpendicular to the first direction, when the tub is closed by the door, a storage compartment cover configured to open and close the storage compartment, and a sealing member configured to form a seal between the storage compartment cover and the storage compartment when the storage compartment is closed by the storage compartment cover, wherein the storage compartment is configured to be open in a third direction perpendicular to the first direction and the second direction when the storage compartment is opened by the storage compartment cover.

Abstract: A dishwasher including a tub; a door to open and close the tub; an input device to receive a selection of a washing course; and an automatic detergent dispenser including a storage compartment in which a plurality of solid detergents are stackable, an ejector to discharge a solid detergent outside of the storage compartment, a seating member on which a solid detergent discharged from the storage compartment is seatable, a detector to detect whether a solid detergent is seated on the seating member, and a processor configured to control the ejector to operate so that, when a plurality of solid detergents are loaded in the storage compartment, one solid detergent among the plurality of solid detergents is discharged outside of the storage compartment to be seated on the seating member, and determine whether a solid detergent is seated on the seating member based on a detection result of the detector.